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within 25 miles
May 23, 2026
9 opportunities found! use fewer search filter criteria to find more opportunities

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

  • Ongoing
Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineweatherclimate changeparticulate mattersummerinvestigationairenvironmentcommunity-based monitoringsmartphone applicationenvironmental justiceequityweather databicyclingnatureair pollution monitoringoutdoorsexperimentcarbon dioxidedataautumnglobal warmingair qualitydatabaseiphonegirl scoutsec2020scienceclimate monitoringappcitizen scienceair quality indexwinterusaclimateair pollutionandroidstemmobile applicationhikingspringcarbon monoxide

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologymappinguktreesgreat britainenvironmentgreat britiantreemapecolog
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